Answer:
1) 3(12-1)
2) 33
Step-by-step explanation:
times means multiplication and difference of means subtraction
you do first because of the parenthesis 21-1 equals 11
and then multiply 11 by 3 which is 33
Answer:
x = 16.5
Step-by-step explanation:
2x + 3y = 73.50
5x + 2y = 109.50
(2x + 3y = 73.5) -5
(5x + 2y = 109.5) 2
-10x - 15y = -367.5
10x + 4y =219
-11y = -148.5
y = 13.5
2x + 3(13.5) = 73.50
2x + 40.5 = 73.5
2x = 73.5 - 40.5
2x = 33
x = 16.5
I'm pretty sure it's B you have it correct
From what I know its 56.52m
